/* Copyright (C) Uppsala University
 *
 * This file is distributed under the terms of the GNU general Public
 * License (GPL), see the file LICENSE
 *
 * Author: Erik Nordström, <erikn@it.uu.se>
 */
#ifndef _DEBUG_H
#define _DEBUG_H

#ifdef __KERNEL__
#include <stdarg.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/if_ether.h>
#include <linux/in.h>
#include <linux/init.h>
extern atomic_t num_pkts;
#else
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#endif				/* __KERNEL__ */

#ifdef DEBUG
#undef DEBUG
#define DEBUG_PROC
#define DEBUG(f, args...) do { if (get_confval(PrintDebug)) trace(__FUNCTION__, f, ## args); } while (0)
//#define DEBUG(f, args...) trace(__FUNCTION__, f, ## args)
#else
#define DEBUG(f, args...)
#endif

#ifndef NO_GLOBALS

#define DEBUG_BUFLEN 256

static inline char *print_ip(struct in_addr addr)
{
	static char buf[16 * 4];
	static int index = 0;
	char *str;

	sprintf(&buf[index], "%d.%d.%d.%d",
		0x0ff & addr.s_addr,
		0x0ff & (addr.s_addr >> 8),
		0x0ff & (addr.s_addr >> 16), 0x0ff & (addr.s_addr >> 24));

	str = &buf[index];
	index += 16;
	index %= 64;

	return str;
}

static inline char *print_eth(char *addr)
{
	static char buf[30];

	sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
		(unsigned char)addr[0], (unsigned char)addr[1],
		(unsigned char)addr[2], (unsigned char)addr[3],
		(unsigned char)addr[4], (unsigned char)addr[5]);

	return buf;
}

static inline char *print_pkt(char *p, int len)
{
	static char buf[3000];
	int i, l = 0;

	for (i = 0; i < len; i++)
		l += sprintf(buf + l, "%02X", (unsigned char)p[i]);

	return buf;
}

#endif				/* NO_GLOBALS */

#ifndef NO_DECLS

int trace(const char *func, const char *fmt, ...);

#endif				/* NO_DECLS */

#ifdef __KERNEL__
int __init dbg_init(void);
void __exit dbg_cleanup(void);
#endif

#endif				/* _DEBUG_H */
